o E isr 1 T h: O L O & Y . 



SYLVICOLIDJ]. 



DENDROilCA AUDUBONI, [Toicns.) Bd. [No. 70G32]. 



Sylvia atidnhoriii, Towns., Jonr. Acad. Nat. Sci. Phila., vii, 1837, 190. 

 Sylricola aiuhihonU, Bp., List, 1838,21. — AuD , B. Am., ii, 1841, pi. 77. 

 Dendrccca audahoiiH, Bd., B. N. A., 1858, 273.— Couks, Key, 1872,100; Birds Northwest, 

 1874, 58.— Bd., Bi;ew., & Kidc, N. A. Birds, i, 1874,229, pi. xiii, f. 1. 



Locality: mouth of the Colorado River. Immature pi a mage ; throat 

 scarcely tiuged with yellow. One specimen. 



PASSERCULUS SAVANNA ALAUDINUS, [Bp.) [No. 70033]. 



Passerauhis alandhuts, Bp., Comp. Eend., sxxvii, 1853,918. — Bd., Birds N. A., 1858,446. 

 Passercahis savanna alamVums, Bd., Brew., & RiDC, N. A. Birds, !> 1S71,53~, pi. xxiv, f. 



11.— Hen.siiaw, Wheeler's Exped., vol. v, 1875, Zoul., 254. 

 Passerculus savanna, Allen, Ball. Mus. Comp. Zool., 1872, 177. — CouES, Birds North. 



west, 1874, 127 (iu part). 



Locality: San Ignacio River, Sonora, Mexico. One specimen. Flew 

 aboard the ship while at anchor, and was captured. 



PASSERCULUS SAVANNA ANTHINUS, {Bp.) Gs. [No. 70G34]. 



Passcrcuhts anihinus, Bp., Comp. Reud., xxxvii, 1853,919. 



Passercahis suvanna anthinus, CouKS, Key, 1872, 13G. — Bd., Brew., & EiRG., N. A. Birds, 

 j, 1874,539, pi. xxiv, f. 10.— CouES, Birds Northwest, 1874, 128. 



Locality: Todos Santos Islands, Pacific coast of Lower California. 

 One specimen. 



PASSERCULUS ROSTRATUS, (Cass.) Bd. [No. 70635J. 



Emhmza rostrala, Cassin, Proc. Acad. Nat. Sci. Phila., vi, 1852, 348. 

 Ammodramus rosiratus, Cassin, 111. B. Cal. Tex., &c., i, 1855, 22G, pi. 38. 

 Passerculus rostvalus, Baihd, Birds N. Am., 1858, 446.— Bn., BuEW., & ElDG., N. A. 

 Birds, i, 1874, 542, pi. 24, f. 12.— Cohes, Key, 1872, 136. 



Locality: Todos Santos Islands. One specimen. Inseparable from 



typical rostnttus of Southern and Lower California (mainland), though 



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